Dell, Amazon and HP are stepping up with today's deals. From tablets to monitors, desktops and mice, there's a little something for everyone today but just a few select killer deals... Dell Venue 11 Pro 64GB Windows 8.1 Quad-Core Atom 1080p Tablet for $449.99 with free shipping (normally $499.99). 1-day Amazon sale! 50% off Logitech...